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Gongylonema pulchrum was first named and presented with its own species by Molin in 1857. The first reported case was in 1850 by Dr. Joseph Leidy, when he identified a worm "obtained from the mouth of a child" from the Philadelphia Academy (however, an earlier case may have been treated in patient Elizabeth Livingstone in the seventeenth century [2]).
3D model of cochlea and semicircular canals. The cochlea is the part of the inner ear involved in hearing.It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus.
"The Correct Procedure for a Visual Search" – a 1990 video produced by the Federal Bureau of Prisons. A body cavity search, also known simply as a cavity search, is either a visual search or a manual internal inspection of body cavities for prohibited materials (), such as illegal drugs, money, jewelry, or weapons.
The ear canals, for the sense of hearing; The nasolacrimal ducts, to carry tears from the lacrimal sac into the nasal cavity; The anus, for defecation; The urinary meatus, for urination in males and females and ejaculation in males; In females, the vagina, for menstruation, copulation and birth; The nipple orifices; Other animals may have some ...
In argonauts, the male transfers the spermatophores to the female by putting its hectocotylus into a cavity in the mantle of the female, called the pallial cavity. This is the only contact the male and female have with each other during copulation, and it can be at a distance. During copulation, the hectocotylus breaks off from the male.
Arrows show the vestigial structure called Darwin's tubercle. In the context of human evolution, vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution. Although structures called vestigial often appear functionless, they may retain lesser functions or develop minor new ones.
The 2 by 3 mm patch of hair cells and supporting cells are called a macula. Each hair cell of a macula has 40 to 70 stereocilia and one true cilium called a kinocilium. The stereocilia are oriented by the striola, a curved ridge that runs through the middle of the macula; in the saccule they are oriented away from the striola [ 2 ] The tips of ...
The term peryton is also used for radio signals of terrestrial origin that mimic fast radio bursts, pulses that appear to be coming from outside of our galaxy.This was assigned to this source type by the scientist that first identified them in the data, Sarah Burke-Spolaor, because they demonstrated some properties that appeared man-made and some that appeared natural. [4]